| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Hualian Petro | China national standards | MT | 853.58 | USD | 20251126 |
| Zibo Xintai Chem | China national standards | MT | 875.76 | USD | 20251126 |
| Shandong Wonfull Petro | China national standards | MT | 868.69 | USD | 20251126 |
| Zhenghe | China national standards | MT | 1017.01 | USD | 20251126 |
| Dongying Hualian Petro | China national standards | MT | 839.1 | USD | 20251125 |
| Zhenghe | China national standards | MT | 1016.58 | USD | 20251125 |
| Shandong Wonfull Petro | China national standards | MT | 846.9 | USD | 20251124 |
| Zibo Xintai Chem | China national standards | MT | 861.01 | USD | 20251124 |
| Zhenghe | China national standards | MT | 1016.27 | USD | 20251124 |
| Dongying Hualian Petro | China national standards | MT | 831.79 | USD | 20251124 |